test-pr.yaml

name: "Test Latest Updated Templates"
on:
  pull_request:

jobs:

  detect-changes:
    runs-on: ubuntu-latest
    outputs:
      templates: ${{ steps.filter.outputs.changes }}
    steps:
      
      - uses: dorny/paths-filter@v2
        id: filter
        with:
          filters: |
            sap-cap-javascript-node: ./**/sap-cap-javascript-node/**

  test:
    needs: [detect-changes]
    runs-on: ubuntu-latest
    if: ${{ needs.detect-changes.outputs.templates != '[]' && needs.detect-changes.outputs.templates != '' }}
    continue-on-error: true
    strategy:
      matrix:
        template: ${{ fromJSON(needs.detect-changes.outputs.templates) }}
    steps:

      - uses: actions/checkout@v2

      - name: "Install latest devcontainer CLI"
        run: npm install -g @devcontainers/cli

      - name: "Generating tests for '${{ matrix.template }}'"
        run: echo "${{ matrix.template }}"

      - name: "Run smoke tests for '${{ matrix.template }}'"
        run: |
          set -e
          cd src/${{ matrix.template }}

          # Configure templates only if `devcontainer-template.json` contains the `options` property.
          optionProp=( $(jq -r '.options' devcontainer-template.json) )

          if [ "${optionProp}" != "" ] && [ "${optionProp}" != "null" ] ; then  
            options=( $(jq -r '.options | keys[]' devcontainer-template.json) )

            if [ "${options[0]}" != "" ] && [ "${options[0]}" != "null" ] ; then
              echo "(!) Configuring template options within 'src/${{ matrix.template }}' folder"
              for option in "${options[@]}"
              do
                # Get default variant for current template
                option_key="\${templateOption:$option}"
                option_value=$(jq -r ".options | .${option} | .default" devcontainer-template.json)

                if [ "${option_value}" = "" ] || [ "${option_value}" = "null" ] ; then
                  echo "Template '${{ matrix.template }}' is missing a default value for option '${option}'"
                  exit 1
                fi

                # Execute test for the default variant of that template
                VARIANT="$option_value" ../../test/${{ matrix.template }}/test.sh
              done
            fi
          fi